676021237 has 2 divisors, whose sum is σ = 676021238. Its totient is φ = 676021236.

The previous prime is 676021211. The next prime is 676021259. The reversal of 676021237 is 732120676.

It is a happy number.

676021237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393982801 + 282038436 = 19849^2 + 16794^2 .

It is a cyclic number.

It is not a de Polignac number, because 676021237 - 2²³ = 667632629 is a prime.

It is equal to p_35074438 and since 676021237 and 35074438 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676028237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338010618 + 338010619.

It is an arithmetic number, because the mean of its divisors is an integer number (338010619).

Almost surely, 2^676021237 is an apocalyptic number.

It is an amenable number.

676021237 is a deficient number, since it is larger than the sum of its proper divisors (1).

676021237 is an equidigital number, since it uses as much as digits as its factorization.

676021237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 676021237 is about 26000.4084006386. The cubic root of 676021237 is about 877.6474859714.

The spelling of 676021237 in words is "six hundred seventy-six million, twenty-one thousand, two hundred thirty-seven".